Stevedore is now part of the OpenStack Oslo program and is managed through OpenStack's infrastructure system:
Git: http://git.openstack.org/cgit/openstack/stevedore/
Documentation: http://docs.openstack.org/developer/stevedore/
Bug tracker: https://launchpad.net/python-stevedore
Contributing: http://git.openstack.org/cgit/openstack/stevedore/tree/CONTRIBUTING.rst